Finding the Fourth Proportional to 157,109.99, 235,701.88 and 51,928.95
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Solution
The fourth proportional to 157,109.99, 235,701.88 and 51,928.95 is: 77,905.63
Step by Step Solution
- Step 1: Write the proportion equation
157,109.99 : 235,701.88 = 51,928.95 : x - Step 2: Convert to fraction form
157,109.99/235,701.88 = 51,928.95/x - Step 3: Cross multiply
157,109.99x = 235,701.88 × 51,928.95 - Step 4: Simplify right side
157,109.99x = 12,239,752,187.59 - Step 5: Solve for x
x = 12,239,752,187.59/157,109.99 - Step 6: Final answer
x = 77,905.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.